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Benefits of using heuristics
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
Question 1 Create a table student with attributes student name, roll number, total marks and percentage. Do the following operations Insert details in to the table Update
why are older data models are being replaced by new data models
Explain the two constraints, check and foreign key in SQL along with an example for each. Give the syntax. CHECK constraint - CHECK constraint specifies an expression which
What is disadvantage of multiple inheritances? There is potential ambiguity if the similar variable or method can be inherited from more than one superclass.eg: student class m
Cyber Transit Ltd keeps up-to-date information on the processing and current position of each dispatched item. Dispatched items are the main concern of the Cyber Transit product tr
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
(a) Why did SAP introduce the extended star schema?
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